Home / 447,080-676,398

Finding the Third Proportional to 447,080 and 676,398

Calculator

Solution

The third proportional to 447,080 and 676,398 is: 1,023,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,080 : 676,398 = 676,398 : x
  2. Step 2: Convert to fraction form
    447,080/676,398 = 676,398/x
  3. Step 3: Cross multiply
    447,080x = 676,398 × 676,398
  4. Step 4: Simplify right side
    447,080x = 457,514,254,404
  5. Step 5: Solve for x
    x = 457,514,254,404/447,080
  6. Step 6: Final answer
    x = 1,023,338.67

Related Problems

Find third proportional to 223,540 and 338,199
Half scale
Find third proportional to 894,160 and 1,352,796
Double scale
Find third proportional to 447,082 and 676,401
Similar ratio
Find third proportional to 670,620 and 1,014,597
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.